scripts/kconfig/kxgettext.c

   1 /*
   2  * Arnaldo Carvalho de Melo <acme@conectiva.com.br>, 2005
   3  *
   4  * Released under the terms of the GNU GPL v2.0
   5  */
   6
   7 #include <stdlib.h>
   8 #include <string.h>
   9
  10 #define LKC_DIRECT_LINK
  11 #include "lkc.h"
  12
  13 static char *escape(const char* text, char *bf, int len)
  14 {
  15         char *bfp = bf;
  16         int multiline = strchr(text, '\n') != NULL;
  17         int eol = 0;
  18         int textlen = strlen(text);
  19
  20         if ((textlen > 0) && (text[textlen-1] == '\n'))
  21                 eol = 1;
  22
  23         *bfp++ = '"';
  24         --len;
  25
  26         if (multiline) {
  27                 *bfp++ = '"';
  28                 *bfp++ = '\n';
  29                 *bfp++ = '"';
  30                 len -= 3;
  31         }
  32
  33         while (*text != '\0' && len > 1) {
  34                 if (*text == '"')
  35                         *bfp++ = '\\';
  36                 else if (*text == '\n') {
  37                         *bfp++ = '\\';
  38                         *bfp++ = 'n';
  39                         *bfp++ = '"';
  40                         *bfp++ = '\n';
  41                         *bfp++ = '"';
  42                         len -= 5;
  43                         ++text;
  44                         goto next;
  45                 }
  46                 *bfp++ = *text++;
  47 next:
  48                 --len;
  49         }
  50
  51         if (multiline && eol)
  52                 bfp -= 3;
  53
  54         *bfp++ = '"';
  55         *bfp = '\0';
  56
  57         return bf;
  58 }
  59
  60 struct file_line {
  61         struct file_line *next;
  62         char*            file;
  63         int              lineno;
  64 };
  65
  66 static struct file_line *file_line__new(char *file, int lineno)
  67 {
  68         struct file_line *self = malloc(sizeof(*self));
  69
  70         if (self == NULL)
  71                 goto out;
  72
  73         self->file   = file;
  74         self->lineno = lineno;
  75         self->next   = NULL;
  76 out:
  77         return self;
  78 }
  79
  80 struct message {
  81         const char       *msg;
  82         const char       *option;
  83         struct message   *next;
  84         struct file_line *files;
  85 };
  86
  87 static struct message *message__list;
  88
  89 static struct message *message__new(const char *msg, char *option, char *file, int lineno)
  90 {
  91         struct message *self = malloc(sizeof(*self));
  92
  93         if (self == NULL)
  94                 goto out;
  95
  96         self->files = file_line__new(file, lineno);
  97         if (self->files == NULL)
  98                 goto out_fail;
  99
 100         self->msg = strdup(msg);
 101         if (self->msg == NULL)
 102                 goto out_fail_msg;
 103
 104         self->option = option;
 105         self->next = NULL;
 106 out:
 107         return self;
 108 out_fail_msg:
 109         free(self->files);
 110 out_fail:
 111         free(self);
 112         self = NULL;
 113         goto out;
 114 }
 115
 116 static struct message *mesage__find(const char *msg)
 117 {
 118         struct message *m = message__list;
 119
 120         while (m != NULL) {
 121                 if (strcmp(m->msg, msg) == 0)
 122                         break;
 123                 m = m->next;
 124         }
 125
 126         return m;
 127 }
 128
 129 static int message__add_file_line(struct message *self, char *file, int lineno)
 130 {
 131         int rc = -1;
 132         struct file_line *fl = file_line__new(file, lineno);
 133
 134         if (fl == NULL)
 135                 goto out;
 136
 137         fl->next    = self->files;
 138         self->files = fl;
 139         rc = 0;
 140 out:
 141         return rc;
 142 }
 143
 144 static int message__add(const char *msg, char *option, char *file, int lineno)
 145 {
 146         int rc = 0;
 147         char bf[16384];
 148         char *escaped = escape(msg, bf, sizeof(bf));
 149         struct message *m = mesage__find(escaped);
 150
 151         if (m != NULL)
 152                 rc = message__add_file_line(m, file, lineno);
 153         else {
 154                 m = message__new(escaped, option, file, lineno);
 155
 156                 if (m != NULL) {
 157                         m->next       = message__list;
 158                         message__list = m;
 159                 } else
 160                         rc = -1;
 161         }
 162         return rc;
 163 }
 164
 165 void menu_build_message_list(struct menu *menu)
 166 {
 167         struct menu *child;
 168
 169         message__add(menu_get_prompt(menu), NULL,
 170                      menu->file == NULL ? "Root Menu" : menu->file->name,
 171                      menu->lineno);
 172
 173         if (menu->sym != NULL && menu->sym->help != NULL)
 174                 message__add(menu->sym->help, menu->sym->name,
 175                              menu->file == NULL ? "Root Menu" : menu->file->name,
 176                              menu->lineno);
 177
 178         for (child = menu->list; child != NULL; child = child->next)
 179                 if (child->prompt != NULL)
 180                         menu_build_message_list(child);
 181 }
 182
 183 static void message__print_file_lineno(struct message *self)
 184 {
 185         struct file_line *fl = self->files;
 186
 187         putchar('\n');
 188         if (self->option != NULL)
 189                 printf("# %s:00000\n", self->option);
 190
 191         printf("#: %s:%d", fl->file, fl->lineno);
 192         fl = fl->next;
 193
 194         while (fl != NULL) {
 195                 printf(", %s:%d", fl->file, fl->lineno);
 196                 fl = fl->next;
 197         }
 198
 199         putchar('\n');
 200 }
 201
 202 static void message__print_gettext_msgid_msgstr(struct message *self)
 203 {
 204         message__print_file_lineno(self);
 205
 206         printf("msgid %s\n"
 207                "msgstr \"\"\n", self->msg);
 208 }
 209
 210 void menu__xgettext(void)
 211 {
 212         struct message *m = message__list;
 213
 214         while (m != NULL) {
 215                 /* skip empty lines ("") */
 216                 if (strlen(m->msg) > sizeof("\"\""))
 217                         message__print_gettext_msgid_msgstr(m);
 218                 m = m->next;
 219         }
 220 }
 221
 222 int main(int ac, char **av)
 223 {
 224         conf_parse(av[1]);
 225
 226         menu_build_message_list(menu_get_root_menu(NULL));
 227         menu__xgettext();
 228         return 0;
 229 }